JPH02147994U - - Google Patents

Info

Publication number

JPH02147994U

JPH02147994U JP5703389U JP5703389U JPH02147994U JP H02147994 U JPH02147994 U JP H02147994U JP 5703389 U JP5703389 U JP 5703389U JP 5703389 U JP5703389 U JP 5703389U JP H02147994 U JPH02147994 U JP H02147994U

Authority

JP

Japan

Prior art keywords

speaker

drive circuit

output

feedback means

speed detector

Prior art date

1989-05-19

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

• 238000010586 diagram Methods 0.000 description 3
• 230000003321 amplification Effects 0.000 description 1
• 238000001514 detection method Methods 0.000 description 1
• 238000003199 nucleic acid amplification method Methods 0.000 description 1
• 230000005236 sound signal Effects 0.000 description 1

Cited By (1)